401(k) · DOL Form 5500 · 2024

Tandem Diabetes Care, Inc. 401(k) Plan

Data updated 2026-08-25

$136M
Total assets Near avg plan size
2,325
Participants Above avg headcount
92nd
Percentile by assets National rank
$58,509
Avg per participant Low balance/head
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Official DOL plan name: Tandem Diabetes Care, Inc. 401(k) Plan · Sponsored by Tandem Diabetes Care, Inc. · California · Manufacturing

$136M in assets, 2,325 participants

Tandem Diabetes Care, Inc.'s Tandem Diabetes Care, Inc. 401(k) Plan reported $136M in total assets and 2,325 participants in its 2024 DOL Form 5500 filing, ranking in the 92nd percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

  • #15,750 in Manufacturing (17,777 peers)

Coverage in California

Tandem Diabetes Care, Inc. 401(k) Plan covers 2,325 participants in California, 3.7x the typical California plan (state average ~630 per filing). Assets: $136M.

#15,750
in Manufacturing (17,777 peers)
+33.7%
assets growth YoY
1.4×
vs typical plan assets (national mean)

Tandem Diabetes Care, Inc. 401(k) Plan's outsized position by total assets

Tandem Diabetes Care, Inc. 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$136,034,068 Top 8% higher than 92% of 123,620 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2024

Tandem Diabetes Care, Inc. 401(k) Plan's large-plan peer group by participant headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Tandem Diabetes Care, Inc. 401(k) Plan lands in the large band (2,325 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Tandem Diabetes Care, Inc. 401(k) Plan end-of-year assets rose from $102M in the plan year 2023 filing to $136M in the plan year 2024 filing.
  • Tandem Diabetes Care, Inc. 401(k) Plan reported participants fell from 2,499 in the plan year 2023 filing to 2,325 in the plan year 2024 filing.
  • Tandem Diabetes Care, Inc. 401(k) Plan reported net income rose from $34M in the plan year 2023 filing to $34M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Plan-year Form 5500 strip

Filing strip 204327508 · Tandem Diabetes Care, Inc. PY 2024 · 401(k)

Tandem Diabetes Care, Inc. 401(k) Plan · $136M · 2,325 · 92nd

  • ASSETS $136M
  • ASSETS 2,325
  • ASSETS 92nd
  • ASSETS 401(k)
  • ASSETS near Velux America LLC 401(k) Retirement Plan
  • ASSETS ind #15750

Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Manufacturing retirement plans → · Plans in California →

Tandem Diabetes Care, Inc. 401(k) Plan in the asset neighbourhood

Cornerstone Capital Bank, Ssb 401(k) PlanCornerstone Capital Bank, Ss…$136MMarine Industry Retirement PlanMarine Industry Retirement P…$136MTandem Diabetes Care, Inc. 401(k) PlanTandem Diabetes Care, Inc. 4…$136MVelux America LLC 401(k) Retirement PlanVelux America LLC 401(k) Ret…$136MChapman and Cutler LLP Salary Deferral Plan for Partners and Support StaffChapman and Cutler LLP Salar…$136M
End-of-year total assets ($M) among Tandem Diabetes Care, Inc. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

California filing particulars

Total Assets (Beginning of Year)$102M
Net Assets (End of Year)$136M
Net Income$34M
Employer EIN204327508
Plan Effective Date2009-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Tandem Diabetes Care, Inc.)

Sponsor-wide plan assets over time

All Tandem Diabetes Care, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$136M 99.55763577497407% vs 2022
2024 filing year
$50M$100M$150M 202220232024 $68.2M $136M ▲ +99.5%
Year Plans Participants Total Assets
2022 1 1,922 $68M
2023 1 2,499 $102M
2024 1 2,325 $136M

Nearby 401(k) Plans in California

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Tandem Diabetes Care, Inc. 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -200204060 Total assets ($B) Participants Tandem Diabetes Care, Inc. 401(k) Plan, Total assets ($B): 0.136034068 · Participants: 2325Tandem Diabetes Care, Inc. 401(k) PlanGoogle LLC 401(k) Savings Plan, Total assets ($B): 48.738057415 · Participants: 116712Google LLC 401(k) Savings PlanOracle Corporation 401(k) Savings and Investment Plan, Total assets ($B): 31.02646504 · Participants: 58962Oracle Corporation 401(k) Savings and Investment PlanIntel 401(k) Savings Plan, Total assets ($B): 24.850880304 · Participants: 55298Intel 401(k) Savings PlanApple 401(k) Plan, Total assets ($B): 24.714519387 · Participants: 101450Apple 401(k) PlanCisco Systems,Inc. 401(k) Plan, Total assets ($B): 22.728425546 · Participants: 40452Cisco Systems,Inc. 401(k) Plan
Tandem Diabetes Care, Inc. 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants
Compare Tandem Diabetes Care, Inc. 401(k) Plan side-by-side with 3 peers →

Tandem Diabetes Care, Inc. 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside California, the nearest 401(k) by assets is Velux America LLC 401(k) Retirement Plan in SC ($136M); by covered participants it is Gastro Health 401(k) Retirement Plan in FL (2,324 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (2,325 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Tandem Diabetes Care, Inc. 401(k) Plan assets move in 2024? ▼
Tandem Diabetes Care, Inc. 401(k) Plan surged - up 33.7% during 2024, from $102M to $136M. Reported net income was $34M.
How have Tandem Diabetes Care, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Tandem Diabetes Care, Inc.'s sponsor-wide assets grew 99.6%, from $68M to $136M.
Where does Tandem Diabetes Care, Inc. 401(k) Plan rank by assets among Form 5500 filers? ▼
Tandem Diabetes Care, Inc. 401(k) Plan ranks in the 92nd percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top 10% of all filed plans by assets).
Which 401(k) plans are similar in size to Tandem Diabetes Care, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Velux America LLC 401(k) Retirement Plan in SC ($136M, 807 participants).
Which 401(k) plans cover a similar participant headcount to Tandem Diabetes Care, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Gastro Health 401(k) Retirement Plan in FL (2,324 participants, $264M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 204327508.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.